The net resistance of a volmeter should be large to ensure that

The net resistance of an ammeter should be small to ensure that

The net resistance of an ammeter should be small to ensure that

The net resistance of an ammeter should be small to ensure that

The net resistance of an ammeter should be small to ensure that

The resistance of an ideal voltmeter should be :

Mark out the correct options (i) An ammeter should have small resistance (ii) An ammeter should have large resistance (iii) A voltage should have small resistance (iv) A voltage should have large resistance.

The electrical resistance of depletion layer is large because

For what valve of R the net resistance of the circuit will be 18 ohms. .

Before a clinical thermometer is used, it should be ensured that the mercury level is